Improved adjustable collar for stove-pipes



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UNITED STATES GEORGE M. HAY, OF JOHNSTOWN, PENNSYLVANIA.

IMPROVED ADJUSTABLE COLLAR FOR. STOVE-PIPES.

Specification forming part of Letters Patent No. 414,09 2, datedSeptember 6, 1864.

To all whom it may concern Be it known that I, GEORGE M. HAY, ofJohnstown, in the county of Gambria and State of Pennsylvania, haveinvented a new and Improved Adjustable Chimney-Collar, and I do herebydeclare the following to be a full and exact description of the same,reference being had to the accompanying drawings, making part of thisspecification, in which- Figure l is a plan or top view of my improvedchimney-collar. Fig. 2 is a horizontal section in the line x x, Figs. 3and 4. Fig. 3 is an end view, with one of the doors hereinafter referredto thrown open to expose the interior construction of the device. Fig.4t is a view which exhibits more clearly the sectional collarshereinafter described, a portion of the device being detached.

Similar letters of reference indicate corresponding parts in the severaliigures.

This invention relates to a device which is locat( d within a chimney orliuc, and employed to support or retain in position the pipe leadingfrom the stove or other heating medium, and its peculiar constructionadapts it for effectual use in connection with a stove-pipe of anydimensions, as will be hereinafter fully explained.

In order that others skilled in the art to which my invention appertainsmay be enabled to fully understand and use the same, l will proceed todescribe its construction and operation.

In the accompanying drawings, A represents a hollow cylinder or collar,through which the stove-pipe passes, which collar may be built orinserted into the wall of the lue. To one end of the cylinder A isaffixed what may be termed a circular box,7 which consists of plates BB', and an intermediate connecting-section, B2, the plate B beingattached directly to the cylinder. It may be here remarked that thecylinder A is to be large enough to encircle a stove-pipe of the largestsize, and that my .invention provides means for enlarging or diminishingthe entrance or mouth ofthe cylinder, and thus furnish asupportingcollar for pipes of various sizes. The pla-tes B Bl and thesection B2 may be connected together by screws, or in any otherdesirable manner. IVithin the plates B B are formed openingscorresponding in size with the interior of the cylinder A. 0n the outerface of the plate B are secured pieces C C, at the inner edges of whichare formed grooves in which work the ends of slides D D, these slidesbeing provided at their proximate edges with folding doors D D', whichmay be opened to permit the passage of a pipe, or closed when the pipemay be removed from the tlue. The relative situations of the slides D Dmay be varied so that they will conform to the size ofthe pipe which maypass through the cylinder A and plates B B.

In the present illustration of my invention the drawings represent fourpivoted sectional collars between the plates B B. These collars are eachformed in two parts, a a, a a', a2 a2, as ai, which are ranged incontact with one another and pivoted at one end of each section uponpivots a4 a4, which are inserted into the plates B B, and through apiece, b, attached to the plate B. The loose ends of the sections areprovided with projections or knobs a5, which, by entering slots c c inaslide, E, serve to retain the said ends ofthe sections ot therespective collars in contact with each other, as will be betterunderstood by reference to Fig. 3. Suitable ways for the slide E to movein are formed by pieces F F, in conjunction with the plate B. A

It' the collar a d be not sufticiently large to receive a pipe which itis desired to employ, the slide E may, byineans of aknob, e, (similar tothose on the collars a a, &c.,) be slid back so as to permit thesections a a to be turned aside in order to completely expose the collara a', and if this collar be too small the slide E may be moved back farenough to permit the collar a a to be turned aside to expose the collara2 a2. In this manner it is manifest that the entrance of the cylinder Amay, with facility and expedition, be made larger or smaller, asrequired. When the sections a a, &c., are turned aside to expose thosewhich may be behind them, they occupy positions between the plates B andB', the knobs a5 enten ing slots bin the plate B. The slide E moves uponand is supported by a guide, e2, to receive which the slide is providedwith a way, e3. Then it is desired to turn aside the entire series ofcollars, so as to adapt the device for a collar sl fticently large totit snugly within the cylinder A, the knob e of the slide enters a smallrecess, b', in the plate B.

l do not confine myself. to the number of sectional collars hereinrepresented, but propose to employ :1s many as may be eompaetly' plncedWithin the box B B B2.

Having thus described my invention, the'7 following is what Icla-im asnew therein sind desire to secure by Letters Patent:

1. A chimney-collar in which a series of pivoted or slidingseinicircular sections, (t a, &c., are employed to adapt the collar forpipes ot' various dimensions, substantizillyas herein set forth.

2. The combination of the plates B Bf, intermediate section, B2,cylinder A, and slide E, the whole being` constructed and arranged tooperate in the manner specified.

3. The slides D D, folding doors D D', and pieces G C, for adapt-ing theopening in the cylinder A to be closed when the pipe is not in use,substantially as specied.

The above specification of my improved ad justable collarfor stove-pipessigned this 16th day of May, 1864.

GEO. M. HAY.

Witnesses CHARLES D. SMITH, OoTAVrUs KNIGHT.

